?/M/1: On the equilibrium distribution of customer arrivals

Amihai Glazer*, Refael Hassin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Each day a facility commences service at time zero. All customers arriving prior to time T are served during that day. The queuing discipline is First-Come First-Served. Each day, each person in the population chooses whether or not to visit the facility that day. If he decides to visit, he arrives at an instant of time such that his expected waiting time in the queue is minimal. We investigate the arrival rate of customers in equilibrium, where each customer is fully aware of the characteristics of the system. We show that the arrival rate is constant before opening time, but that in general it is not constant between opening and closing time. For the case of exponential distribution of service time, we develop a set of equations from which the equilibrium queue size distribution and expected waiting time can be numerically computed as functions of time.

Original languageEnglish
Pages (from-to)146-150
Number of pages5
JournalEuropean Journal of Operational Research
Issue number2
StatePublished - Jun 1983


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